2.4.13. ioctl FE_SET_FRONTEND_TUNE_MODE¶
2.4.13.1. Name¶
FE_SET_FRONTEND_TUNE_MODE - Allow setting tuner mode flags to the frontend.
2.4.13.2. Synopsis¶
-
int
ioctl
(int fd, FE_SET_FRONTEND_TUNE_MODE, unsigned int flags)¶
2.4.13.3. Arguments¶
fd
- File descriptor returned by open().
flags
Valid flags:
- 0 - normal tune mode
FE_TUNE_MODE_ONESHOT
- When set, this flag will disable any zigzagging or other “normal” tuning behaviour. Additionally, there will be no automatic monitoring of the lock status, and hence no frontend events will be generated. If a frontend device is closed, this flag will be automatically turned off when the device is reopened read-write.
2.4.13.4. Description¶
Allow setting tuner mode flags to the frontend, between 0 (normal) or
FE_TUNE_MODE_ONESHOT
mode
2.4.13.5. Return Value¶
On success 0 is returned.
On error -1 is returned, and the errno
variable is set
appropriately.
Generic error codes are described at the Generic Error Codes chapter.